The loudspeaker system shall be of the tri-amped, three way active trapezoidal type consisting of one 12" (305mm) low-mid frequency loudspeaker loaded with an Axehead device, one 6.5" (165mm) high-mid frequency loudspeaker loaded with an Axehead device, and one 1" (25mm) high frequency compression driver. Performance specifications of a typical production unit shall meet or exceed the following: Frequency response, measured with swept sine-wave input, shall be flat within ±4dB from 180Hz to 20kHz. Nominal dispersion, at -6dB points, shall average 50 degrees horizontal by 25 degrees vertical. Nominal impedance shall be LMF: 8 ohms, HMF: 16 ohms, HF: 16 ohms. Power handling shall be LMF: 250 watts r.m.s., 500 watts program, 625 watts peak; HMF:100 watts r.m.s., 200 watts program, 250 watts peak; HF: 50 watts r.m.s., 100 watts program, 125 watts peak. Average enclosure sensitivity measured with 1 watt input at 1 metre distance on-axis, mean-averaged over stated bandwidth, shall be 108dB. Maximum SPL (peak), measured with music program input at stated amplifier power, shall be 139dB. Dimensions: 825mmH x 574mmW x 510mmD (32.5"H x 22.6"W x 20.1"D) Weight: 52kg (114 lbs). The loudspeaker system shall be the Turbosound TFL-760Ht. No other loudspeaker shall be acceptable unless submitted data from an independent test laboratory verify that the above combined performance/size specifications are equalled or exceeded.
